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MX9702867A - Hdtv trick play stream derivation for vcr. - Google Patents

Hdtv trick play stream derivation for vcr.

Info

Publication number
MX9702867A
MX9702867A MX9702867A MX9702867A MX9702867A MX 9702867 A MX9702867 A MX 9702867A MX 9702867 A MX9702867 A MX 9702867A MX 9702867 A MX9702867 A MX 9702867A MX 9702867 A MX9702867 A MX 9702867A
Authority
MX
Mexico
Prior art keywords
trick play
data stream
recorded
speed
mpeg
Prior art date
Application number
MX9702867A
Other languages
Spanish (es)
Other versions
MXPA97002867A (en
Inventor
David Lionel Mclaren
Original Assignee
Thomson Consumer Electronics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/US1995/012420 external-priority patent/WO1996013122A1/en
Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of MX9702867A publication Critical patent/MX9702867A/en
Publication of MXPA97002867A publication Critical patent/MXPA97002867A/en

Links

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  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

A consumer digital video cassette recorder (210) may record an advanced television signal (09) having an MPEG-like signal format. The predictive nature of the MPEG-like signal format requires that additional I frame data be generated and recorded together with a normal play speed data stream (10) to facilitate non-standard speed, or trick play reproduction. Additional I frame data streams (121, 131, 141) are generated specifically for each replay speed and are written within recorded tracks to facilitate reproduction at the predetermined speeds. Various inventive methods for the derivation of full resolution and reduced resolution trick play data streams are disclosed. Inventive trick play data stream generation is disclosed for real time recording by consumer apparatus and non-real time normal and trick play data stream generation for use with pre-recorded digital media.
MXPA/A/1997/002867A 1994-10-20 1997-04-18 Digital vcr with hart truck reproduction current derivation MXPA97002867A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9421206.5 1994-10-20
PCT/US1995/012420 WO1996013122A1 (en) 1994-10-20 1995-09-29 Hdtv trick play stream derivation for vcr

Publications (2)

Publication Number Publication Date
MX9702867A true MX9702867A (en) 1997-07-31
MXPA97002867A MXPA97002867A (en) 1997-12-01

Family

ID=

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees